<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>Hello World!</title>
</head>
<body>
<form method="POST" enctype="multipart/form-data" action="/upload">
    <p>文件：<input type="file" name="file"/></p>
    <p><input type="submit" value="上传"/></p>
</form>
</body>
</html>